<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <!-- 
       
            video  视频  ogg webm mp4
            source 用来做音频和视频的兼容
            
                html属性
                    autoplay 立即播放 和 muted 静音 一起
                    controls 控件
                    loop 循环播放
                    preload 预备加载
                    poster 封面 不要加url，直接放路径
     -->
     <style>
         video{
             width:100%;
             
             /* object-fit: cover; */
         }
     </style>
</head>
<body>
    <video  controls>
        <source src="video/movie.webm" > </source>
        <source src="video/movie.ogg"> </source>
        <source src="video/oceans.mp4"> </source>     
    </video>

    <!-- <video src="video/movie.ogg"  muted controls loop preload="auto" poster="../day11/images/img04.jpg"></video>-->
    <!-- <video src="https://api.i-lynn.cn/data/091391.mp4" autoplay controls></video>  -->
</body>
</html>